What are the limitations of Docker multi-stage builds?

What are the limitations of Docker multi-stage builds?

Docker multi-stage builds are powerful, but they do have some limitations. For instance, they can increase build time due to multiple stages, and managing complex dependencies can be challenging. Additionally, not all base images support multi-stage builds, which can limit your options.

Can you explain how build caching works in multi-stage builds?

Sure! Build caching in multi-stage builds allows Docker to reuse layers from previous builds, which can significantly speed up the build process. If a layer hasn't changed, Docker will use the cached version instead of rebuilding it, making the process more efficient.

Are there any best practices for using multi-stage builds?

Yes, some best practices include keeping your stages minimal, using specific tags for base images, and organizing your Dockerfile for clarity. This helps in maintaining the build process and optimizing the final image size.

What are some common mistakes to avoid with multi-stage builds?

Common mistakes include not leveraging caching effectively, creating overly complex Dockerfiles, and neglecting to clean up unnecessary files in the final image. These can lead to larger images and longer build times.